SE9603368D0 - Metod och anordning för synkronisering av tidsstämpling - Google Patents

Metod och anordning för synkronisering av tidsstämpling

Info

Publication number
SE9603368D0
SE9603368D0 SE9603368A SE9603368A SE9603368D0 SE 9603368 D0 SE9603368 D0 SE 9603368D0 SE 9603368 A SE9603368 A SE 9603368A SE 9603368 A SE9603368 A SE 9603368A SE 9603368 D0 SE9603368 D0 SE 9603368D0
Authority
SE
Sweden
Prior art keywords
clocks
time stamping
time
synchronization
network
Prior art date
Application number
SE9603368A
Other languages
English (en)
Other versions
SE9603368L (sv
SE507227C2 (sv
Inventor
Paal Hellum
Kristin Aksnes
Original Assignee
Ericsson Telefon Ab L M
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9603368A priority Critical patent/SE507227C2/sv
Publication of SE9603368D0 publication Critical patent/SE9603368D0/sv
Priority to CA002265707A priority patent/CA2265707A1/en
Priority to EP97942335A priority patent/EP0917780B1/en
Priority to DE69731749T priority patent/DE69731749T2/de
Priority to JP51405298A priority patent/JP3820275B2/ja
Priority to AU44056/97A priority patent/AU4405697A/en
Priority to PCT/SE1997/001537 priority patent/WO1998013969A1/en
Priority to US08/929,463 priority patent/US6104729A/en
Publication of SE9603368L publication Critical patent/SE9603368L/sv
Publication of SE507227C2 publication Critical patent/SE507227C2/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0644—External master-clock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0658—Clock or time synchronisation among packet nodes
    • H04J3/0661—Clock or time synchronisation among packet nodes using timestamps
    • H04J3/0664—Clock or time synchronisation among packet nodes using timestamps unidirectional timestamps
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0478—Provisions for broadband connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0641—Change of the master or reference, e.g. take-over or failure of the master
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0658—Clock or time synchronisation among packet nodes
    • H04J3/0673—Clock or time synchronisation among packet nodes using intermediate nodes, e.g. modification of a received timestamp before further transmission to the next packet node, e.g. including internal delay time or residence time into the packet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5603—Access techniques
    • H04L2012/5604—Medium of transmission, e.g. fibre, cable, radio
    • H04L2012/5608—Satellite
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5638—Services, e.g. multimedia, GOS, QOS
    • H04L2012/5646—Cell characteristics, e.g. loss, delay, jitter, sequence integrity
    • H04L2012/5649—Cell delay or jitter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5638—Services, e.g. multimedia, GOS, QOS
    • H04L2012/5646—Cell characteristics, e.g. loss, delay, jitter, sequence integrity
    • H04L2012/565—Sequence integrity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5672—Multiplexing, e.g. coding, scrambling
    • H04L2012/5674—Synchronisation, timing recovery or alignment

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Electric Clocks (AREA)
SE9603368A 1996-09-16 1996-09-16 Metod och anordning för synkronisering av tidsstämpling SE507227C2 (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE9603368A SE507227C2 (sv) 1996-09-16 1996-09-16 Metod och anordning för synkronisering av tidsstämpling
CA002265707A CA2265707A1 (en) 1996-09-16 1997-09-11 Method and apparatus for synchronization of time stamping
EP97942335A EP0917780B1 (en) 1996-09-16 1997-09-11 Method and apparatus for synchronization of time stamping
DE69731749T DE69731749T2 (de) 1996-09-16 1997-09-11 Verfahren und vorrichtung zur synchronisation von zeitmarkierungen
JP51405298A JP3820275B2 (ja) 1996-09-16 1997-09-11 タイムスタンプの同期化方法および装置
AU44056/97A AU4405697A (en) 1996-09-16 1997-09-11 Method and apparatus for synchronization of time stamping
PCT/SE1997/001537 WO1998013969A1 (en) 1996-09-16 1997-09-11 Method and apparatus for synchronization of time stamping
US08/929,463 US6104729A (en) 1996-09-16 1997-09-15 Method and apparatus for synchronization of time stamping

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9603368A SE507227C2 (sv) 1996-09-16 1996-09-16 Metod och anordning för synkronisering av tidsstämpling

Publications (3)

Publication Number Publication Date
SE9603368D0 true SE9603368D0 (sv) 1996-09-16
SE9603368L SE9603368L (sv) 1998-03-17
SE507227C2 SE507227C2 (sv) 1998-04-27

Family

ID=20403899

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9603368A SE507227C2 (sv) 1996-09-16 1996-09-16 Metod och anordning för synkronisering av tidsstämpling

Country Status (8)

Country Link
US (1) US6104729A (sv)
EP (1) EP0917780B1 (sv)
JP (1) JP3820275B2 (sv)
AU (1) AU4405697A (sv)
CA (1) CA2265707A1 (sv)
DE (1) DE69731749T2 (sv)
SE (1) SE507227C2 (sv)
WO (1) WO1998013969A1 (sv)

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US6370161B1 (en) * 1998-05-20 2002-04-09 Aspect Communications Time synchronization of distributed computer telephony communication applications in a computer network
US6611519B1 (en) * 1998-08-19 2003-08-26 Swxtch The Rules, Llc Layer one switching in a packet, cell, or frame-based network
KR100272431B1 (ko) * 1998-09-03 2000-11-15 김영환 Cdma 이동통신시스템의 통화권역 확장장치 및 그 방법
US6510150B1 (en) * 1998-12-21 2003-01-21 Koninklijke Philips Electronics N.V. Method of MAC synchronization in TDMA-based wireless networks
SE513899C2 (sv) * 1999-01-12 2000-11-20 Ericsson Telefon Ab L M Metod och arrangemang för synkronisering
ATE291303T1 (de) 1999-12-23 2005-04-15 Cetacean Networks Inc Netzwerkvermittlung mit paketfolgesteuerung
US7103124B1 (en) * 1999-12-30 2006-09-05 Telefonaktiebolaget Lm Ericsson (Publ) Synchronization of nodes
US6590524B1 (en) * 2000-05-10 2003-07-08 Rockwell Collins, Inc. Method and means for precise time synchronization
US7058020B2 (en) * 2000-05-18 2006-06-06 Brix Networks, Inc. Hardware time stamping and registration of packetized data method and system
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US20020006115A1 (en) * 2000-05-18 2002-01-17 Kaynam Hedayat Non-deterministic software delay estimation method and system for packet based data network systems
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DE10046240A1 (de) * 2000-09-19 2002-03-28 Deutsche Telekom Ag Verfahren zur Messung der unidirektionalen Übertragungseigenschaften, wie Paketlaufzeit, Laufzeitschwankungen und der hieraus ableitbaren Ergebnisse, in einem Telekommunikationsnetz
US7249272B1 (en) * 2000-10-11 2007-07-24 General Dynamics Advanced Information Systems, Inc. Apparatus and method for coordinating activities of one or more computers
US7023883B1 (en) * 2000-12-27 2006-04-04 Cisco Technology, Inc. Method for providing a network timing reference clock in ethernet-connected VOIP equipment
US6452541B1 (en) 2001-02-20 2002-09-17 Motorola, Inc. Time synchronization of a satellite positioning system enabled mobile receiver and base station
US6760687B2 (en) * 2001-05-31 2004-07-06 Fisher-Rosemount Systems, Inc. Sequence of events detection in a process control system
AUPR580301A0 (en) * 2001-06-20 2001-07-12 Tele-Ip Limited Adaptive packet routing
DE60102157T2 (de) * 2001-09-24 2004-07-29 Evolium S.A.S. Verfahren zur Synchronization von mit GNSS Empfängern versehenen Knoten eines terrestrischen Netzwerks
US20040204850A1 (en) * 2002-03-06 2004-10-14 Ford Motor Company Automotive synchronized communication networks
US7454494B1 (en) 2003-01-07 2008-11-18 Exfo Service Assurance Inc. Apparatus and method for actively analyzing a data packet delivery path
US8014378B1 (en) 2003-10-23 2011-09-06 Itt Manufacturing Enterprise, Inc. Method and apparatus for automatic control of time-of-day synchronization and merging of networks
JP2006236251A (ja) * 2005-02-28 2006-09-07 Fujitsu Ltd タイムスタンプ装置、時刻校正方法および時刻校正プログラム
US7480580B2 (en) * 2005-10-18 2009-01-20 Schweitzer Engineering Laboratories, Inc. Apparatus and method for estimating synchronized phasors at predetermined times referenced to an absolute time standard in an electrical system
US8345561B2 (en) 2006-08-22 2013-01-01 Rueters America Inc. Time monitor
US7451339B2 (en) * 2006-09-15 2008-11-11 International Business Machines Corporation Pulse-per-second attachment for STP
US8055801B2 (en) * 2006-09-15 2011-11-08 International Business Machines Corporation Pulse-per-second attachment for STP
US7630863B2 (en) * 2006-09-19 2009-12-08 Schweitzer Engineering Laboratories, Inc. Apparatus, method, and system for wide-area protection and control using power system data having a time component associated therewith
FI119165B (sv) * 2006-12-04 2008-08-15 Tellabs Oy Förfarande och system för att synkronisera klocksignaler
JP4804408B2 (ja) * 2007-04-17 2011-11-02 株式会社日立製作所 ログ解析方法及び装置
CN101078763B (zh) * 2007-04-25 2011-09-14 北京网新易尚科技有限公司 在ip网络中依靠卫星定位系统校准时钟频率的方法及设备
US8655608B2 (en) * 2007-09-28 2014-02-18 Schweitzer Engineering Laboratories Inc Symmetrical component amplitude and phase comparators for line protection using time stamped data
US7930117B2 (en) * 2007-09-28 2011-04-19 Schweitzer Engineering Laboratories, Inc. Systems and methods for power swing and out-of-step detection using time stamped data
US20090088990A1 (en) * 2007-09-30 2009-04-02 Schweitzer Iii Edmund O Synchronized phasor processor for a power system
FI120378B (sv) * 2007-10-24 2009-09-30 Tellabs Oy Förfarande och arrangemang för att överföra värdet för tiden på dagen mellan nätelement
KR20090100868A (ko) * 2008-03-21 2009-09-24 삼성전자주식회사 복수의 링크를 포함하는 네트워크 분석 방법 및 장치
US8494795B2 (en) * 2008-05-05 2013-07-23 Schweitzer Engineering Laboratories Inc Apparatus and method for estimating synchronized phasors at predetermined times referenced to a common time standard in an electrical system
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JP2012122775A (ja) * 2010-12-06 2012-06-28 Nec Corp 航空機位置測定システム、該システムに用いられる時刻同期方法及び時刻同期プログラム
US9306727B2 (en) * 2014-07-22 2016-04-05 Raytheon Company System and method for synchronizing ground clocks
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US10721009B2 (en) * 2016-11-17 2020-07-21 Accedian Networks Inc. Virtualized clocks
CN108737000B (zh) * 2017-04-24 2020-01-21 上海诺基亚贝尔股份有限公司 用于时钟同步的方法和设备
CN110098971A (zh) * 2018-01-31 2019-08-06 深圳市英特瑞半导体科技有限公司 一种网络链路不对称测量方法和网络节点
EP3761524B1 (en) 2018-06-06 2023-10-18 ST Engineering iDirect (Europe) Cy NV System for synchronizing a ground segment to a beam hopping satellite
CN111190344B (zh) * 2018-11-15 2022-01-11 北京自动化控制设备研究所 一种卫星导航军码授时设备的设计方法
CN114070762B (zh) * 2020-07-29 2024-04-09 中国电信股份有限公司 网络监测探针组件、同步方法、数据采集分析装置
CN112255592B (zh) * 2020-10-19 2023-07-11 西安电子工程研究所 基于GPS秒脉冲产生毫秒ms级雷达时间信息的FPGA实现方法
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Also Published As

Publication number Publication date
CA2265707A1 (en) 1998-04-02
JP3820275B2 (ja) 2006-09-13
SE9603368L (sv) 1998-03-17
JP2001501788A (ja) 2001-02-06
DE69731749T2 (de) 2005-05-12
AU4405697A (en) 1998-04-17
EP0917780B1 (en) 2004-11-24
US6104729A (en) 2000-08-15
WO1998013969A1 (en) 1998-04-02
EP0917780A1 (en) 1999-05-26
DE69731749D1 (de) 2004-12-30
SE507227C2 (sv) 1998-04-27

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